Home / 502,157.28-692,974.68-272,712.96

Finding the Fourth Proportional to 502,157.28, 692,974.68 and 272,712.96

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Solution

The fourth proportional to 502,157.28, 692,974.68 and 272,712.96 is: 376,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,157.28 : 692,974.68 = 272,712.96 : x
  2. Step 2: Convert to fraction form
    502,157.28/692,974.68 = 272,712.96/x
  3. Step 3: Cross multiply
    502,157.28x = 692,974.68 × 272,712.96
  4. Step 4: Simplify right side
    502,157.28x = 188,983,176,187.85
  5. Step 5: Solve for x
    x = 188,983,176,187.85/502,157.28
  6. Step 6: Final answer
    x = 376,342.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.